pretensioning prestressed strand的意思|示意
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预张预应力股
pretensioning prestressed strand的网络常见释义
先张法预应力钢绞线 ... pretensioning prestressed steel wire 先张法预应力钢丝 pretensioning prestressed strand 先张法预应力钢绞线 pretensioning prestressed reinforcement 先张法预应力钢筋 ...